Honda Acura NSX 1991 Service Manual page 459

From page 14-70
I
I s t h e r e s i s t a n c e 4 0 0 - 6 0
ohms? (20°C)
Y E S
I
Measure the resistance between
D 1 7 a n d D 1 5
Disconnect the 26P and 22p c o n -
nectors from the control unit.
Measure the resistance between
the Al (BLK/WHT) and the Dl
Is the resistance approximately
5 i-l?
Disconnect the 2P connector from
From page 14-70
I
Check for continuity between
D12 (WHT) terminal and the NM
speed sensor.
Is there continuity?
Check for loose control unit con-
nectors. If necessary, substitute
Repalce the NC speed sensor.
Check for loose control
u n i t c o n n e c t o r s . I f
necessary, substitute a
known-good control
unit and recheck.
Repair open in WHT
N O
wire between D 12 ter-
minal and the NM speed
sensor.